Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Before
After
Before
After
Before
AfterAir Duct Cleaning in Manassas, VA
Dryer vent cleaning in Manassas is a preventive service most homeowners here end up booking after a dryer starts taking 90 minutes per load or the laundry room turns humid mid-cycle. The city’s 1980s-1990s tract housing in Blooms, Yorkshire, and Sudley Manor pushed dryer vents through crawlspaces or short wall runs that now carry 30-40 years of layered lint, and the Piedmont’s humid summers turn that lint into a damp mass that grabs every new fiber passing through. Call (806) 606-6902 and we’ll give you a written price before a single panel comes off.
Why Manassas Homes Are Different
Manassas sits at the heart of Prince William County’s 1980s-1990s suburban build-out, which means the city has entire subdivisions where every home on the street was framed, wired, and ducted the same year by the same crews. In Blooms and Yorkshire, that means original builder-grade flex ductwork and fiberglass duct board trunks are now hitting the end of their serviceable life at roughly the same time. We walk into one of those homes and the camera shows the same picture we saw three streets over: interior liner shedding, sagging flex runs, and a film of bio-growth that loves the humidity this side of the Piedmont. The older walkable core near Old Town is different: pre-WWII and mid-century homes retrofitted for forced-air later, often with improvised or undersized runs that work hard and leak harder.
The summer humidity here is the multiplier. Manassas gets hot, sticky months where the HVAC cycles hard, and the damp red-clay crawlspaces underneath many of the area’s ranch and split-level homes feed moisture straight into unsealed duct runs. Mold colonization inside flex duct and fiberglass liner is not an occasional find here; it’s the expected condition in the 30-40-year-old housing stock that makes up most of the city’s square footage.
Our Main Manassas Services
Most Manassas homeowners call us first about the two services that have their own dedicated pages here: the full air duct cleaning of every run and register, and HVAC cleaning that addresses the equipment, coils, and blower along with the ductwork.
Air Duct Cleaning in Manassas
Air duct cleaning in Manassas usually means a full-system negative-pressure extraction on homes where 30-year-old fiberglass trunks have been shedding liner into the airstream. We photograph every run before opening it so you can see exactly what the camera sees. Learn what’s involved on the dedicated Air Duct Cleaning in Manassas page.
HVAC Cleaning in Manassas
In Manassas, HVAC cleaning often goes beyond the ducts themselves because the blower, coils, and drain pan have been cycling humid air for decades in the same conditions that compromise the ductwork. Camera inspection of the plenum and coil tells us how far the work needs to go. The HVAC Cleaning in Manassas page covers the full scope.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
BeforeAfterDryer Vent Cleaning in Manassas
Dryer vent cleaning in Manassas is the service we book most often for homeowners in 1980s-2000s subdivisions where the vent run is long, elbows through a crawlspace, and has been collecting lint since the house was built. The Piedmont’s summer humidity turns that lint into a damp, compacted plug that restricts airflow, drives up drying time, and creates the conditions for a vent fire. We treat it as a mechanical cleaning job: camera inspection first, then a full-length brush and negative-pressure extraction, with before-and-after photos delivered as part of the standard record. This is the same documented, written-price process we apply to every service listed on our Dryer Vent Cleaning hub.
Dryer Vent Inspection
Signs you need it
The dryer takes two or three cycles to dry a normal load, the laundry room feels muggy while the dryer runs, or the outside vent flap barely moves when the machine is on.
What it costs in Manassas
Expect $95-$150 for a camera inspection with a written finding report, which is credited toward the cleaning if you book it right then.
How we do it
We run a camera from the dryer connection to the exterior termination, measure the run length and diameter, mark every elbow and obstruction, and hand you a written report with the photos.
Lint Removal
Signs you need it
Visible lint is packed around the exterior vent, the dryer has never been professionally cleaned in the time you’ve owned the home, or the vent run is longer than 10 feet with multiple bends.
What it costs in Manassas
A full lint removal on a standard residential vent runs $150-$250 depending on run length, access, and how compacted the buildup has become.
How we do it
We run a motorized brush the full length of the vent while pulling negative pressure at the termination point, then camera-verify the interior wall is clear and photograph the result.
Vent Rerouting
Signs you need it
The existing vent terminates in a crawlspace, attic, or through a soffit instead of outside at ground level, which is a code violation in most Manassas homes and a sustained moisture risk.
What it costs in Manassas
Rerouting a dryer vent to a proper exterior termination typically runs $800-$1,500 depending on run length, wall construction, and whether you choose rigid metal or flexible duct.
How we do it
We route a new rigid-metal or UL-listed flex run along the shortest feasible path to an exterior wall, seal the old penetration, and verify airflow with an anemometer before we finish.
Bird Guard Installation
Signs you need it
Birds nest at the exterior termination, you hear scratching in the vent, or the flap stays open when the dryer is off, giving pests a corridor inside.
What it costs in Manassas
A galvanized or stainless bird guard installed at the termination point adds $180-$350 to a cleaning visit or stands alone at $250-$400.
How we do it
We mount a louvered guard over the exterior hood so airflow continues while birds and rodents can’t enter, then confirm the flap still opens under dryer pressure.
What Dryer Vent Cleaning Costs in Manassas
| Item | Typical range in Manassas |
|---|---|
| Full dryer vent cleaning (single run) | $150-$250 |
| Vent rerouting to exterior termination | $800-$1,500 |
| Bird guard installation | $250-$400 |
How often should a dryer vent be cleaned in Manassas?
Every 12-24 months for most households, and every 6-12 months if the run is long, multi-story, or used by a large family with daily laundry. Yearly service keeps the vent at documented clear airflow.
Will cleaning my dryer vent actually reduce drying time?
Yes. A clear vent restores designed airflow, which typically drops drying time back to manufacturer spec and lowers the heat load on the dryer’s thermal fuse. Call (806) 606-6902 for a written quote.
Duct Repair & Sealing in Manassas
Duct repair and sealing in Manassas most often means addressing the fiberglass duct board trunks and flex branch lines that are original to the city’s 1980s-1990s subdivision homes and have begun shedding liner or separating at the joints. The local failure pattern is consistent enough that Tomas Reyes and the crew can frequently predict what the camera will show before it’s turned on: sagging flex, blown-out mastic, and liner material entering the airstream. We fix the leaks, seal the runs, and hand you a photo record showing the interior of every repaired section. This work follows the same written-price, documented-photo standard outlined on our Duct Repair & Sealing hub.
Duct Sealing
Signs you need it
Rooms stay warmer or cooler than the rest of the house, your utility bill climbs season after season, or you can feel air pulling around the registers.
What it costs in Manassas
Spot sealing of accessible duct leaks runs $400-$800 for a typical Manassas system, with whole-system sealing from $1,200-$2,500 depending on accessibility and leak count.
How we do it
We locate leaks with a pressure test or visual camera inspection, then seal each joint with mastic and fiberglass tape, letting everything cure before re-pressurizing the system.
Flex Duct Repair
Signs you need it
Flex runs sag between supports, have visible kinks or tears, or you’ve spotted insulation fragments blowing from a register.
What it costs in Manassas
Repairing or replacing a single flex run in Manassas runs $250-$600 per run depending on length, diameter, and how hard the access is.
How we do it
We replace the damaged flex with properly sized and stretched new flex, secure it with mechanical fasteners, and camera-verify the interior is smooth before sealing the connections.
Mastic Sealant
Signs you need it
Old mastic has cracked or fallen out at the plenum, trunk connections, or boot-to-register joints, and air is escaping into unconditioned spaces.
What it costs in Manassas
A mastic reseal of the main trunk and branch connections in Manassas costs $600-$1,200 for most homes, covering materials, labor, and pressure verification.
How we do it
We remove failed sealant, clean the joint surfaces, apply a continuous mastic bead with embedded fiberglass mesh, and verify the seal before moving to the next joint.
What Duct Repair & Sealing Costs in Manassas
| Item | Typical range in Manassas |
|---|---|
| Spot sealing of accessible leaks | $400-$800 |
| Whole-system duct sealing | $1,200-$2,500 |
| Mastic reseal of trunk and branch connections | $600-$1,200 |
Do I need permits for duct repair in Manassas?
Most duct sealing and flex repair work is classified as ordinary maintenance and doesn’t require a City of Manassas permit, but rerouting trunks or adding new branches may. We confirm code requirements before scheduling the work.
How do I know the leaks are actually sealed?
We run a pressure test after sealing to measure the improvement, and we photograph every sealed joint before the panels go back on. The photo record is yours, not just ours.
Air Quality & Sanitizing in Manassas
Air quality and sanitizing in Manassas starts with what the climate and the housing stock do together: decades of Piedmont humidity cycling through fiberglass duct liner creates the exact conditions for mold colonization and bacteria inside the airstream. Homes in Blooms, Yorkshire, and the older streets near Old Town all share the same root problem, just at different stages. We don’t sell an air freshener and leave; we treat the surfaces that hold the contamination, document what the camera found, and verify the post-treatment result. The protection, equipment, and written-price guarantee are all detailed on our Air Quality & Sanitizing hub.
Mold Treatment
Signs you need it
You see dark staining on the inside of the register boots or plenum, or a musty smell comes from the vents every time the blower kicks on.
What it costs in Manassas
Mold treatment for a single duct system in Manassas runs $600-$1,200 depending on the extent of contamination and whether the trunk, branches, and plenum all require treatment.
How we do it
We photograph the contaminated surfaces, apply an EPA-registered antimicrobial specifically formulated for HVAC systems, allow the required dwell time, and then remove the dead material with HEPA extraction.
Odor Removal
Signs you need it
Cooking, pet, or smoke odors persist in the home even after the house has been aired out, and the smell is stronger when the air handler runs.
What it costs in Manassas
Whole-system odor removal in Manassas costs $250-$600 for a standard home, combining coil cleaning, duct cleaning, and an odor-neutralizing treatment applied at the plenum.
How we do it
We clean the evaporator coil and blower, run a full duct extraction, and apply a non-masking odor counteractant that breaks down the odor compound rather than covering it up.
UV Light Installation
Signs you need it
Mold regrows inside the coil despite regular cleaning, or anyone in the home has a respiratory condition sensitive to airborne microbial activity.
What it costs in Manassas
A UV-C light installed at the evaporator coil in Manassas runs $900-$2,500 depending on the unit’s wattage, brand, and whether it’s mounted at the coil, plenum, or both.
How we do it
We mount the UV-C lamp at the coil or plenum using a Honeywell or similar fixture, wire it to the blower interlock so it only runs when the system runs, and verify the lamp output with a radiometer.
What Air Quality & Sanitizing Costs in Manassas
| Item | Typical range in Manassas |
|---|---|
| Mold treatment of duct system | $600-$1,200 |
| Whole-system odor removal | $250-$600 |
| UV light installation | $900-$2,500 |
Is the sanitizing chemical safe for kids and pets?
Yes. We use EPA-registered antimicrobials labeled for HVAC use and follow the manufacturer’s dwell and ventilation guidelines before the system is put back into service. We provide the safety data sheet on request.
How do I know mold is actually gone?
We photograph the contaminated surfaces before and after treatment, and we run the post-treatment extraction until the camera shows clear surfaces. The photos are part of your standard record.
Brands We Service in Manassas
We work on all major brands found in Manassas homes, but Rotobrush and Nikro are the tools our techs use for extraction and brush cleaning, and we install Honeywell UV and air purification products when the job calls for it. See our brands for the full list.
Pricing for Air Duct Cleaning in Manassas, VA
| Service | Typical range in Manassas |
|---|---|
| Standard air duct cleaning (whole home, up to 2 supply and 2 return runs) | $300-$500 |
| Deep duct cleaning with antimicrobial fogging | $600-$1,200 |
| Additional HVAC unit/coil cleaning | $150-$300 |
| Dryer vent cleaning | $150-$250 |
| Dryer vent rerouting | $800-$1,500 |
| Bird guard installation | $250-$400 |
| Spot sealing of accessible duct leaks | $400-$800 |
| Whole-system duct sealing | $1,200-$2,500 |
| Mold treatment of duct system | $600-$1,200 |
| Whole-system odor removal | $250-$600 |
| UV light installation | $900-$2,500 |
What pushes the price up in Manassas is almost always the same thing: crawlspace access. When duct runs snake through a damp, low-clearance crawlspace under a 1980s ranch, the labor factor changes and the price reflects that before we start, not after. Every quote is a written price delivered before any work starts, under Haven Standard Clause 1.
Neighborhoods We Serve in Manassas
We work across Manassas, from the older core near Old Town to the 1980s-2000s subdivisions that make up most of the city’s housing stock. Our crews know which neighborhoods have crawlspace duct runs and which were built on slabs, which matters when planning access.
- Blooms
- Yorkshire
- Sudley Manor
- Old Town area
- Wellington
Response time across these neighborhoods is typically 1-3 business days from your call, depending on crew scheduling and the scope of the work.
Service Area - Cities Near Manassas
CleanRun also serves the wider Prince William and Fairfax County area, including Centreville, VA, Burke, VA, Oakton, VA, and Annandale, VA. Every job gets the same written price before work starts and the same photo record when the crew leaves, no matter which city the house is in.
Serving Manassas, VA - Our Local Coverage Area
We’re based in the Manassas area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Manassas
Most Manassas appointments are scheduled within 1-3 business days. Dispatch and scheduling are coordinated from the brand’s Washington, DC office, and crews serve Manassas locally. Call (806) 606-6902 to lock in a date.
Most interior duct work doesn’t trigger HOA review. Exterior terminations, like a dryer vent reroute through an exterior wall, may need approval if your HOA in neighborhoods like Blooms or Sudley Manor governs exterior changes. We can supply a scope-of-work document for your HOA on request.
Yes. The Piedmont’s hot, humid summers and ice-prone winters mean HVAC systems cycle hard year-round, and the persistent humidity creates ideal conditions for mold inside flex duct and fiberglass liner. Duct work here ages faster than in drier climates.
For a written price on any service in Manassas, call CleanRun Air Duct Cleaning at (806) 606-6902. Tomas Reyes and the crew will walk you through what’s actually needed, backed by photographs and a written promise under the 365-Day Done Right Promise.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Manassas Customers Say
"The dryer vent was almost completely blocked with lint. They showed me the photograph and I understood immediately why the dryer had been running twice."
- Lucia M."They found a disconnected duct in the crawl space that had been dumping conditioned air under the house for years. Photographed it, quoted the repair, fixed it."
- Devon A."On time, professional, and explained what the readings meant without talking down to me."
- Warren E.